An ice skater of mass 67 kg is moving to the east at 4 m/s She collides with a stationary man of 70 kg and she grabs hold of him to make sure he
doesn't fall over What is their final momentum in this inelastic collision,
and in what direction do they travel after the collision? Give your answer to
3 significant figures​

With i really need the correct answer!

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.